Tamoxifen citrate Alias: CAS NO.: 54965-24-1 M.F.: C26H29NO.C6H8O7 M.W.: 563.64 Assay: 99% Appearance: Package:25kg/fibre drum Specification: BP2007/USP31 Usage: Tamoxifen is an antagonist of the estrogen receptor in breast tissue via its active metabolite, hydroxytamoxifen